A rock weighing 98 newtons is pushed off the edge of a bridge 50 meters above the ground. What was the potential energy of the rock before it began to fall?

1. How many digits does the frog have on each of its forelegs and how many on each of its hind legs?

Which event is an example of a contact force? A. a nail being attracted to a magnet B. a leaf falling from a tree C. an electric charge jumping from a sweater to a person D. a person pulling a sled

Explain why a chlorinated swimming pool water would be a homogenous mixture?

Which motion maps show an object in uniform circular motion? Check all that apply.

What is the volume of a rectangular object with L = 4.00 cm W = 2.00 cm H = 0.50 cm?

Resistors in parallel together contain less resistance than resistors in series together. Create an analogy to explain this phenomena and post it here.

Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. part a a voltmeter with resistance rv is connected across the terminals of a battery of emf e and internal resistance r.

The acceleration of an object is the slope of its velocity-time graph. True False

When a cannon fires a cannonball, the cannon will recoil backward because the?

True or False: As we learn more about organisms how we classify them can continue to change. O True O False